Connectors And Signals - Star DP8340 SERIES User Manual

7-4.

Connectors and Signals

Signal
Pin No.
Name
1 GND
2 GND
3 TXD
4 RXD
5 RTS
6 FAULT
7 GND
8 DTR
Direction
— Shield Ground
— Frame Ground
This pin carries data from the printer.
OUT
(Return channel)
IN This pin carries data to the printer.
OUT This is SPACE when the printer power is ON.
This is MARK when the printer is abnormal.
OUT
(Machine Error.) Or there is a paper error.
— Signal ground.
This printer turns this pin SPACE when
OUT
it is ready to receive data.
Figure 7-3. Modular Jack Connector
– 24 –
Function